# 定义两个整数相加的函数 需求 :能够计算任意两个数相加
# 动态变化的数据,我们写进函数的(),当做参数,称为'形式参数',仅仅占位使用,简称'形参'
def sum_2_num(a, b):
    c = a + b
    print(c)
# 函数的调用,调用函数的时候,传入的数据是实际参数,简称'实参',调用时,把实参的值 传给形参
sum_2_num(188, 2)


def sub_2_num(m, n):
    j = m - n
    print(j)
sub_2_num(900, 1)


def mul_2_num(w, p):
    x = w * p
    print(x)
mul_2_num(20, 3)


def div_2_num(x, y):
    z = x / y
    print(z)
div_2_num(900, 2)


def div_2_num(x, y):
    z = x / y
    print(z)
div_2_num(900, 2)
